Texas Water offers water connection services for both residential and commercial properties, including new connections to existing water mains. Quick Links Start Residential Water Service Residential service is considered a single-family home Start Commercial Water Service Service with a 5/8" or 3/4" meter and may be considered Commercial Locate Water Lines There is no charge to have water lines located, call before you dig! Wastewater Services Learn more about our wastewater service, how to set it up, and how it works. Update Account or Disconnect Service Need to make changes to your account or disconnect service?